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CRITICAL · 9.8

CVE-2021-33907

The Zoom Client for Meetings for Windows in all versions before 5.3.0 fails to properly validate the certificate information used to sign .msi files when performing an update of the client. This could...

Vulnerability Description

The Zoom Client for Meetings for Windows in all versions before 5.3.0 fails to properly validate the certificate information used to sign .msi files when performing an update of the client. This could lead to remote code execution in an elevated privileged context.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
ZoomMeetings< 5.3.0

Related Weaknesses (CWE)

CWE-295

References

FAQ

What is CVE-2021-33907?

CVE-2021-33907 is a vulnerability with a CVSS score of 9.8 (CRITICAL). The Zoom Client for Meetings for Windows in all versions before 5.3.0 fails to properly validate the certificate information used to sign .msi files when performing an update of the client. This could...

How severe is CVE-2021-33907?

CVE-2021-33907 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-33907?

Check the references section above for vendor advisories and patch information. Affected products include: Zoom Meetings.